docs: def kill_window(self):
          """Kill the current :class:`Window` object. ``$ tmux kill-window``."""
  
          proc = self.cmd(
              'kill-window',
              # '-t:%s' % self.id
              '-t%s:%s' % (self.get('session_id'), self.index),
          )
  
          if proc.stderr:
              raise exc.LibTmuxException(proc.stderr)
  
          self.server._update_windows()